are looking live now at the wreckage of asiana airline flight 214atsfo. wehave new information on the final seconds of that flight that are providing insight into what went wrong. i am terry dwyer. we'll get to the investigation. first we begin with new information on one of the teenagers who was killed and the concerns tonight that she may have been killed after the plane crash. nbc bay area cheryl herd is at sfo. she begins our expanded team coverage of the crash of flight 214. cheryl. >> diane, there's no doubt about